4PREFACEThe WJ-HD500B Digital Disk Recorder is a combination ofa Hard Disk Recorder with a Video Multiplexer; it is able torecord the images of up to sixteen sequentially controlledvideo inputs on the built-in hard disk.A multi-recording function records simultaneously severalimages from various applications; this enables you toobtain reliable records by selecting the application which isbest suited for your purpose.FEATURES• One recorder can handle sixteen video inputs, divid-ed into four groups, corresponding to various appli-cations.Dividing the sixteen video inputs into four groupsmakes it possible to record several images simultane-ously, depending on the system requirements, such asvaried input, image quality, recording time, etc.• Reliable recording of eventsObtain reliable records of important events by selectingthe recording mode best suited.There are three recording modes: One Shot, Multi Shotand Time Lapse Recording.• Easy image searchThree search modes for quick and easy images search:rotating the shuttle ring, recording list and thumbnaildisplay.• Other handy recording functions• Use the program timer to preset the recording time andmode for each day of the week.• Emergency recording is given priority to record allvideo inputs in Time Lapse Recording while the input isreceived from an outboard device.• Connect the extension units in series for uninterruptedrecording when the disk is full.
